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Comparison between TQS and the anti-tetanus toxoid IgG concentrations measured by ELISA method (threshold 0.11 IU/ml).
| Anti-tetanus toxoid IgG concentrations |
Total | ||
|---|---|---|---|
| ≥0.11 IU/ml | <0.11 IU/ml | ||
| TQS positive | 132 (95.7%) | 6 (4.3%) | 138 (100.0) |
| TQS negative | 4 (2.4%) | 162 (97.6%) | 166 (100.0) |
| Total | 136 (44.7%) | 168 (55.3%) | 304 (100.0) |
